forked from OSchip/llvm-project
104 lines
3.0 KiB
C++
104 lines
3.0 KiB
C++
//===--- MSP430.h - Declare MSP430 target feature support -------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares MSP430 TargetInfo objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
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#define LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Basic/TargetOptions.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Compiler.h"
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namespace clang {
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namespace targets {
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class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {
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static const char *const GCCRegNames[];
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public:
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MSP430TargetInfo(const llvm::Triple &Triple, const TargetOptions &)
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: TargetInfo(Triple) {
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TLSSupported = false;
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IntWidth = 16;
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IntAlign = 16;
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LongWidth = 32;
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LongLongWidth = 64;
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LongAlign = LongLongAlign = 16;
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FloatWidth = 32;
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FloatAlign = 16;
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DoubleWidth = LongDoubleWidth = 64;
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DoubleAlign = LongDoubleAlign = 16;
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PointerWidth = 16;
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PointerAlign = 16;
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SuitableAlign = 16;
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SizeType = UnsignedInt;
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IntMaxType = SignedLongLong;
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IntPtrType = SignedInt;
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PtrDiffType = SignedInt;
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SigAtomicType = SignedLong;
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resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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ArrayRef<Builtin::Info> getTargetBuiltins() const override {
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// FIXME: Implement.
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return None;
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}
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bool allowsLargerPreferedTypeAlignment() const override { return false; }
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bool hasFeature(StringRef Feature) const override {
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return Feature == "msp430";
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}
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ArrayRef<const char *> getGCCRegNames() const override;
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ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
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// Make r0 - r3 be recognized by llc (f.e., in clobber list)
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static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
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{{"r0"}, "pc"},
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{{"r1"}, "sp"},
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{{"r2"}, "sr"},
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{{"r3"}, "cg"},
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};
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return llvm::makeArrayRef(GCCRegAliases);
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}
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bool validateAsmConstraint(const char *&Name,
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TargetInfo::ConstraintInfo &info) const override {
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// FIXME: implement
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switch (*Name) {
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case 'K': // the constant 1
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case 'L': // constant -1^20 .. 1^19
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case 'M': // constant 1-4:
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return true;
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}
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// No target constraints for now.
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return false;
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}
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const char *getClobbers() const override {
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// FIXME: Is this really right?
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return "";
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}
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BuiltinVaListKind getBuiltinVaListKind() const override {
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// FIXME: implement
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return TargetInfo::CharPtrBuiltinVaList;
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}
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};
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} // namespace targets
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} // namespace clang
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#endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
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